A rogue individual conducting his or her own geoengineering experiment was thought unlikely. Until it happened recently.
A new study argues that a centuries-long cooling, which ended about 200 years ago, was triggered by a series of massive volcanoes
New study finds a way to double the efficiency of solar cells while cutting the cost. Is this finally the solution we have been looking for?
Experts met in Montana earlier this month to explore thorny ethical questions surrounding geoengineering, or deliberately cooling the planet to counteract global warming.